A bubble fart is the excression of gas from the dirty brown hole of ones buttox. Bubble farts createss a warm sensational experience but may be followed by diareah. As soon as you hear the distinctive sound of a bubble fart, it is recommended to leave the room or building immediately for it is bound to smell like a pile of dead babies, burnt hair and mexicans.
Dude, last night i was bearbacking charles but he let out a warm and nausiating bubble fart. We are so threw.